All Saints Catholic Senior College opened its doors for 180 boys and girls on a temporary site at Liverpool in the land that housed All Saints Catholic College, Liverpool (formerly All Saints Catholic Boys College and All Saints Catholic Girls College and All Saints Catholic Primary School, Liverpool (formerly St Mary’s Primary School), on February 3rd 1987.
The school was established by the Archdiocese of Sydney, under the influence of Fr Roth Delaney (Parish Priest of Liverpool) to provide Year 11 and Year 12 places for boys and girls from the parishes of Liverpool, Lurnea, Moorebank, Sadlier-Miller and Austral-Hoxton Park. Students from the army vicariate of Holsworthy were also given special consideration. From 1987 to 1989 the school enrolled girls from Our Lady of the Rosary High School, Fairfield until the opening of Mary MacKillop College, Wakeley in 1991.
In 1988 the school moved to its permanent site in Leacocks Lane, Casula, as a fully demountable school, with students enrolled in both Years 11 and 12.
Stage 1 of its permanent site buildings was completed and occupied at the start of 1990. This stage included administration and staff facilities, the Fr R Delaney library, College Chapel, a tiered lecture theatre, canteen, classrooms, seminar rooms, a meeting area and student toilets.
Stage 2, comprising four science laboratories and ancillary facilities, was completed in 1991.
Stage 3, comprising ten general learning areas was completed for the start of 1992.
Stage 4, comprising Industrial Technology, Industrial Drawing and Computer Studies rooms was completed in mid-1993.
Construction of Stage 5 Music, Art and Food Technology Rooms, as well as a further four general learning areas and additional student toilets was completed in 1994. The landscaping of the grounds and the construction of a multi-purpose court took place in 1996.
Stage 6 Multi-purpose Hall and an additional five classrooms began in January 2007 with the classrooms completed in August 2007. The Father Phil Linder Hall was blessed and opened in 2010.Through the Building the Education Revolution (BER), construction began on the playground and the construction of a Science and Technology building which was blessed and opened in 2011.
In 2015 the College Library was given a $1.2 million upgrade and renamed The Fr Delaney Learning Centre. Its design reflects 21st century learning principles and innovative spaces.